Towing attachment for vehicles



FIG. 1 is a perspective view of the towing attachment for vehicles of the present invention showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a first side view thereof;

FIG. 4 is a second side view thereof, opposite to the first side view;

FIG. 5 is a rear view thereof;

FIG. 6 is a front view thereof; and,

FIG. 7 is a bottom view thereof.

The broken lines illustrate portions of the towing attachment for vehicles that form no part of the claimed design. 

CLAIM The ornamental design for towing attachment for vehicles, as shown and described. 